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Electric Circuits

Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z11 = Z22.
 Z11 = Z12.
 Z12 = Z21.
 Z12 = Z22.

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Electric Circuits
Active materials of a lead acid cell are

 lead peroxide.
 spongy lead.
 all of above.
 dilute H2SO4.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

None of these
 halved as compared to previous one.
 remains same.
 doubled as compared to previous one.

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Electric Circuits
Which variety of copper has the best mechanical strength ?

  Soft copper.
  Hard drawn copper.
  Annealed copper.
  Cast copper.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 zero, zero
 infinite, infinite
 infinite, zero
 zero, infinite

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Electric Circuits
Which material has extremely large resistance?

 Conductor
 Insulator
None of these
 Semiconductor

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MORE MCQ ON Electric Circuits

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